This occurs if your internet connection drops mid-send. Wait a few moments and resend the message once reconnected.
Some short-code services do not support virtual numbers. Use a standard 10-digit number or contact the service provider for alternatives.
Go to “My Numbers”, tap the edit icon beside a number, and enter your preferred label like “Business Line 1”.
Ensure you’ve entered both a message body and recipient number. Blank fields can cause this error.
That message means the recipient’s carrier is temporarily offline. Retry after a few minutes.
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